Weekend View: U.S. Navy Seal in Space

U.S. Navy Seal, Cmdr Christopher Cassidy is presently in space shuttle Endeavour as mission specialist on STS-127 mission since July 15. He is NASA’s 500th astronaut.

View a photograph from NASA:
Astronaut Christopher Cassidy, pictured during the Endeavour crew’s third space walk, works near the Japanese Exposed Facility (JEF). Astronaut Dave Wolf, Cassidy’s colleague for the spacewalk, is out of frame.Image Credit: NASA